C320Turbo/PCIEL
Connection Option and Cable Wiring
5-4
Type 3: Connecting UART Module to a DTE device with 3-pin wiring.
If the“Hardware flow control” feature is set to “ON”, you must loop back (or short) the RTS with CTS and
DSR with DTR, DCD on MOXA site, indicated in dash-lines of the following diagrams. If the“Hardware flow
control” feature is set to “OFF”, you could just leave RTS, CTS, DSR, DTR, DCD open, ignoring the connection
indicated in dash-lines.